Improper Input Validation in Samsung Products Allows Network Restriction Bypass
CVE-2026-20974

5.2MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
9 January 2026

What is CVE-2026-20974?

An improper input validation vulnerability exists in various Samsung devices that allows physical attackers to exploit data related to network restrictions. This issue enables attackers to bypass Carrier Relock mechanisms, potentially facilitating unauthorized access to the device. Users should ensure their devices are updated to the latest security release to mitigate the risk associated with this vulnerability.

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Affected Version(s)

Samsung Mobile Devices SMR Jan-2026 Release in Selected Android 13, 14, 15, 16 devices

References

https://security.samsungmobile.com/securityUpdate.smsb?ye...

CVSS V4

Score:
5.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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